CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]
BALANCE at Jun. 30, 2014	$ 43,752	$ 210	$ 16,032	$ (8,044)	$ 35,554
BALANCE (in shares) at Jun. 30, 2014		21,049,243		(1,630,167)
Repurchase of Treasury Shares	(2,194)	$ 0	0	$ (2,194)	0
Repurchase of Treasury Shares (in shares)		0		(453,048)
Stock-based compensation expense	101	$ 0	101	$ 0	0
Net income	4,845	0	0	0	4,845
BALANCE at Jun. 30, 2015	46,504	$ 210	16,133	$ (10,238)	40,399
BALANCE (in shares) at Jun. 30, 2015		21,049,243		(2,083,215)
Repurchase of Treasury Shares	(1,108)	$ 0	0	$ (1,108)	0
Repurchase of Treasury Shares (in shares)		0		(192,767)
Stock Options Exercised, net of tax effect	1	$ 1	386	$ (386)	0
Stock Options Exercised, net of tax effect (in shares)		67,500		(53,868)
Stock-based compensation expense	103	$ 0	103	$ 0	0
Net income	5,773	0	0	0	5,773
BALANCE at Jun. 30, 2016	51,273	$ 211	16,622	$ (11,732)	46,172
BALANCE (in shares) at Jun. 30, 2016		21,116,743		(2,329,850)
Stock Options Exercised, net of tax effect	(85)	$ 1	(86)	$ 0	0
Stock Options Exercised, net of tax effect (in shares)		57,764		0
Stock-based compensation expense	102	$ 0	102	$ 0	0
Net income	5,599	0	0	0	5,599
BALANCE at Jun. 30, 2017	$ 56,889	$ 212	$ 16,638	$ (11,732)	$ 51,771
BALANCE (in shares) at Jun. 30, 2017		21,174,507		(2,329,850)